Lost WWII Submarine Found And Experts Discover More Secrets

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Impressive Specs

Wikipedia

The Grayback had been built with care, and only from the best in the industry. When she had been completed, she was a little past 300 feet long, from stern to stern, with the ability to displace 2,410 tons when fully submerged. At her widest point from side to side, she measured just over 27 feet. As for speed, her maximum was around 20 knots, and underwater, she had the ability to travel at the speed of just under nine knots. At lower speed, she could also stay submerged for as long as two days with a range of over 12,500 miles. She was built to fight and take the enemy down with very little effort from her end.